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ES8800443A1 - Un filtro adaptativo que responde a las senales de video digitalizadas en doppler-modulado. - Google Patents

Un filtro adaptativo que responde a las senales de video digitalizadas en doppler-modulado.

Info

Publication number
ES8800443A1
ES8800443A1 ES537345A ES537345A ES8800443A1 ES 8800443 A1 ES8800443 A1 ES 8800443A1 ES 537345 A ES537345 A ES 537345A ES 537345 A ES537345 A ES 537345A ES 8800443 A1 ES8800443 A1 ES 8800443A1
Authority
ES
Spain
Prior art keywords
control
modules
circuitry
adaptive
digitized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES537345A
Other languages
English (en)
Other versions
ES537345A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES8800443A1 publication Critical patent/ES8800443A1/es
Publication of ES537345A0 publication Critical patent/ES537345A0/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • G01S13/53—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

MODULO DE UN FILTRO ADAPTATIVO QUE RESPONDE A LAS SEÑALES DE VIDEO DIGITALIZADAS EN DOPPLER-MODULADO. CONSTA DE: UNA UNIDAD DE INTERFAZ BUS SERIE (19); UNA UNIDAD DE CONTROL (20) DE MEMORIA; UN MULTIPLEXOR DE DATOS BIT (22); UN MULTIPLEXOR (24) DE TIEMPO NO REAL; DOS MULTIPLICADORES (26, 26A) Y (28, 28A), DOS SUMADORES (32, 33); DOS PROM (34, 35) DE ALMACENAJE DE COEFICIENTES DE PONDERACION; UNA UNIDAD DE ALMACENAJE BIT (40); UNIDAD COMPROBADORA (42); UN REGISTRO BIT (46) Y DOS MEMORIAS DE SALIDA (50, 51). SE UTILIZA EN SISTEMAS DE RADARES.
ES537345A 1983-11-04 1984-11-02 Un filtro adaptativo que responde a las senales de video digitalizadas en doppler-modulado. Expired ES8800443A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/548,607 US4694298A (en) 1983-11-04 1983-11-04 Adaptive, fault-tolerant narrowband filterbank

Publications (2)

Publication Number Publication Date
ES8800443A1 true ES8800443A1 (es) 1987-11-01
ES537345A0 ES537345A0 (es) 1987-11-01

Family

ID=24189605

Family Applications (1)

Application Number Title Priority Date Filing Date
ES537345A Expired ES8800443A1 (es) 1983-11-04 1984-11-02 Un filtro adaptativo que responde a las senales de video digitalizadas en doppler-modulado.

Country Status (5)

Country Link
US (1) US4694298A (es)
EP (1) EP0141583B1 (es)
JP (1) JPS60114780A (es)
DE (1) DE3485302D1 (es)
ES (1) ES8800443A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783660A (en) * 1986-09-29 1988-11-08 Signatron, Inc. Signal source distortion compensator
FR2628909B1 (fr) * 1988-03-18 1990-07-13 Thomson Csf Procede et dispositifs de translation le long de l'axe des frequences du module de la fonction de transfert d'un filtre
US5014061A (en) * 1989-04-24 1991-05-07 Technology Research International Adaptive multifrequency signal combining system
US4931800A (en) * 1989-05-12 1990-06-05 Raytheon Company Stagger compensated moving target detector
US5235669A (en) * 1990-06-29 1993-08-10 At&T Laboratories Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec
US5410313A (en) * 1992-11-17 1995-04-25 Honeywell Inc. Functional radar warning receiver back-up generator
CN102210145B (zh) * 2008-10-02 2014-12-10 Lg电子株式会社 清晰度控制方法和使用该方法的图像显示装置
US11047955B2 (en) * 2018-07-06 2021-06-29 Lyft, Inc. Calibrating a radar antenna
CN114488224B (zh) * 2021-12-24 2023-04-07 西南交通大学 一种用于卫星集中式自主导航的自适应滤波方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2616770C3 (de) * 1976-04-15 1978-10-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Simulierung eines Puls-Doppler-Radar-Bewegtzielechosignales
US4093989A (en) * 1976-12-03 1978-06-06 Rockland Systems Corporation Spectrum analyzer using digital filters
FR2446487A1 (fr) * 1979-01-09 1980-08-08 Thomson Csf Dispositif de test automatique des filtres numeriques plus particulierement utilises pour l'elimination des echos fixes
GB2044034B (en) * 1979-03-10 1983-05-25 Plessey Co Ltd Adaptive mti
US4536764A (en) * 1982-09-29 1985-08-20 Westinghouse Electric Corp. Method of counting multiple targets in the post detection processing of a radar

Also Published As

Publication number Publication date
US4694298A (en) 1987-09-15
DE3485302D1 (de) 1992-01-09
JPS60114780A (ja) 1985-06-21
EP0141583A3 (en) 1987-01-28
ES537345A0 (es) 1987-11-01
EP0141583A2 (en) 1985-05-15
EP0141583B1 (en) 1991-11-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970303